fix(ci): correct Infracost action SHA reference

The previous SHA didn't exist in infracost/actions.
Updated to the correct v3.0.1 tag SHA.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Mohitsharma44

.github/workflows/terraform.yml

@@ -80,7 +80,7 @@ jobs:
             });
 
       - name: Setup Infracost
-        uses: infracost/actions/setup@08e5234091631d0df7b7ef6e7bbe24dbbdea34a3 # v3.0.1
+        uses: infracost/actions/setup@e9d6e6cd65e168e76b0de50ff9957d2fe8bb1832 # v3.0.1
         with:
           api-key: ${{ secrets.INFRACOST_API_KEY }}